diff --git a/src/tests/bench.v b/src/tests/bench.v
index e3b17502..c85b4a53 100644
--- a/src/tests/bench.v
+++ b/src/tests/bench.v
@@ -8,7 +8,7 @@ fn bench() testing.BenchmarkRunner {
 	}
 
 	b.bench('inlay hints', fn (mut b testing.Benchmark, mut fixture testing.Fixture) ! {
-		fixture.configure_by_file('benchmarks/checker.v')!
+		fixture.configure_by_file('benchmarks/inlay_hints.vv')!
 
 		b.start()
 
@@ -20,7 +20,7 @@ fn bench() testing.BenchmarkRunner {
 	})
 
 	b.bench('semantic tokens', fn (mut b testing.Benchmark, mut fixture testing.Fixture) ! {
-		fixture.configure_by_file('benchmarks/checker.v')!
+		fixture.configure_by_file('benchmarks/checker.vv')!
 
 		b.start()
 
diff --git a/src/tests/documentation.v b/src/tests/documentation.v
index a867b712..127331fa 100644
--- a/src/tests/documentation.v
+++ b/src/tests/documentation.v
@@ -5,8 +5,8 @@ import testing
 fn documentation() testing.Tester {
 	mut t := testing.with_name('documentation')
 
-	t.documentation_test('rendered', 'documentation/rendered.v')
-	t.documentation_test('stubs', 'documentation/stubs.v')
+	t.documentation_test('rendered', 'documentation/rendered.vv')
+	t.documentation_test('stubs', 'documentation/stubs.vv')
 
 	return t
 }
diff --git a/src/tests/testdata/benchmarks/checker.v b/src/tests/testdata/benchmarks/checker.vv
similarity index 100%
rename from src/tests/testdata/benchmarks/checker.v
rename to src/tests/testdata/benchmarks/checker.vv
diff --git a/src/tests/testdata/benchmarks/inlay_hints.v b/src/tests/testdata/benchmarks/inlay_hints.vv
similarity index 100%
rename from src/tests/testdata/benchmarks/inlay_hints.v
rename to src/tests/testdata/benchmarks/inlay_hints.vv
diff --git a/src/tests/testdata/documentation/rendered.v b/src/tests/testdata/documentation/rendered.vv
similarity index 100%
rename from src/tests/testdata/documentation/rendered.v
rename to src/tests/testdata/documentation/rendered.vv
diff --git a/src/tests/testdata/documentation/rendered.v.md b/src/tests/testdata/documentation/rendered.vv.md
similarity index 100%
rename from src/tests/testdata/documentation/rendered.v.md
rename to src/tests/testdata/documentation/rendered.vv.md
diff --git a/src/tests/testdata/documentation/stubs.v b/src/tests/testdata/documentation/stubs.vv
similarity index 100%
rename from src/tests/testdata/documentation/stubs.v
rename to src/tests/testdata/documentation/stubs.vv
diff --git a/src/tests/testdata/documentation/stubs.v.md b/src/tests/testdata/documentation/stubs.vv.md
similarity index 100%
rename from src/tests/testdata/documentation/stubs.v.md
rename to src/tests/testdata/documentation/stubs.vv.md
diff --git a/src/tests/types.v b/src/tests/types.v
index 04dffeef..6508a683 100644
--- a/src/tests/types.v
+++ b/src/tests/types.v
@@ -5,26 +5,26 @@ import testing
 fn types() testing.Tester {
 	mut t := testing.with_name('types')
 
-	t.type_test('literals', 'types/literals.v')
-	t.type_test('parameters types', 'types/parameters.v')
-	t.type_test('call expressions', 'types/call_expression.v')
-	t.type_test('type initializer', 'types/type_initializer.v')
-	t.type_test('for loops', 'types/for_loops.v')
-	t.type_test('slice and index expression', 'types/slice_and_index_expression.v')
-	t.type_test('function literal', 'types/function_literal.v')
-	t.type_test('pointers', 'types/pointers.v')
-	t.type_test('bool operators', 'types/bool_operators.v')
-	t.type_test('unsafe expression', 'types/unsafe_expression.v')
-	t.type_test('if expression', 'types/if_expression.v')
-	t.type_test('match expression', 'types/match_expression.v')
-	t.type_test('map init expression', 'types/map_init_expression.v')
-	t.type_test('chan type', 'types/chan_type.v')
-	t.type_test('struct fields', 'types/fields.v')
-	t.type_test('receiver', 'types/receiver.v')
-	t.type_test('json decode', 'types/json_decode.v')
-	t.type_test('generics', 'types/generics.v')
-	t.type_test('constants', 'types/constants.v')
-	t.type_test('for loop', 'types/for_loop.v')
+	t.type_test('literals', 'types/literals.vv')
+	t.type_test('parameters types', 'types/parameters.vv')
+	t.type_test('call expressions', 'types/call_expression.vv')
+	t.type_test('type initializer', 'types/type_initializer.vv')
+	t.type_test('for loops', 'types/for_loops.vv')
+	t.type_test('slice and index expression', 'types/slice_and_index_expression.vv')
+	t.type_test('function literal', 'types/function_literal.vv')
+	t.type_test('pointers', 'types/pointers.vv')
+	t.type_test('bool operators', 'types/bool_operators.vv')
+	t.type_test('unsafe expression', 'types/unsafe_expression.vv')
+	t.type_test('if expression', 'types/if_expression.vv')
+	t.type_test('match expression', 'types/match_expression.vv')
+	t.type_test('map init expression', 'types/map_init_expression.vv')
+	t.type_test('chan type', 'types/chan_type.vv')
+	t.type_test('struct fields', 'types/fields.vv')
+	t.type_test('receiver', 'types/receiver.vv')
+	t.type_test('json decode', 'types/json_decode.vv')
+	t.type_test('generics', 'types/generics.vv')
+	t.type_test('constants', 'types/constants.vv')
+	t.type_test('for loop', 'types/for_loop.vv')
 
 	return t
 }